I have my own rule of three that I also try to apply to use cases for adding functionality in a way that's not overly specific. Never heard of it before. But n

I have my own rule of three that I also try to apply to use cases for adding functionality in a way that's not overly specific. Never heard of it before. But now that you mention it, I haven't actually read Refactoring :| The knowledge actually required for programming is tiny compared to what's available; people's exposure is all over the map.